Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?


Options: Banjo,    Oboe,    Clarinet,    Harmonium

Ans:D,D


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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